floxif | bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184

Analysis

max time kernel
94s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 15:51

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General

Target

bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe
Size

1.2MB
MD5

cab9193087e9d5babf4137571a6985d8
SHA1

5e791529921f79e5037b19434d38062cbe60074b
SHA256

bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184
SHA512

bcf8513a739be2438e51294779c8bfe9cb70e28f6675f57d88d6a7d76cc4d4f3b0aee0dc49e3f283e18418ffef125a59f0e455abfdc341ebc339a5ff215b2160
SSDEEP

24576:HMj13l1kiwY3furfT5TOOW8e/Qf1ji5Ve85yS+nE+uMy/6p71CrEH7B:HMFzkpdEbc8Z+nBuj/yD

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/files/0x000c000000023b37-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b37-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1792	bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1792-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000c000000023b37-1.dat	upx
behavioral2/memory/1792-19-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1792	bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe
1792	bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1792	bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe

C:\Users\Admin\AppData\Local\Temp\bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe
"C:\Users\Admin\AppData\Local\Temp\bdf098054c6daf84f8418236d8b201fdb0cad827bc70082a7f66dfd21b8f9184.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1792-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1792-6-0x0000000000A02000-0x0000000000A03000-memory.dmp

Filesize
4KB

Download
memory/1792-9-0x0000000000A00000-0x0000000000B2C000-memory.dmp

Filesize
1.2MB

Download
memory/1792-19-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1792-17-0x0000000000A00000-0x0000000000B2C000-memory.dmp

Filesize
1.2MB

Download